counterbore

Nghĩa (Tiếng Anh)

Noun

1. A cylindrical recess, typically machined at the mouth of a hole to admit a screw (such as a cap screw) so that the screw sits flush with a surface.
2. The cutter used to cut such a recess. (Also used, at less depth, for spotfacing.)

Verb

To create such a cylindrical recess.

Từ đồng nghĩa

countersink

countersunk

countersink bit

bore hole

bore

counter bore

borehole

boring

Bản dịch

ansenken

Senkung

lamer

accecatoio

allargatore

accecatore

acciecatore

Từ nguyên (Tiếng Anh)

From counter- (“against”) + bore (“hole”).